What are the best practices for using concurrent.futures in Python?

What are the best practices for using concurrent.futures in Python?

When using concurrent.futures, it's important to manage resources effectively. Always use a context manager to ensure proper cleanup.

Can you explain what a context manager is?

A context manager in Python is a construct that allows you to allocate and release resources precisely when you want to. It’s often used with the 'with' statement.

How do I handle exceptions in concurrent.futures?

You can handle exceptions by using the 'Future' object's 'exception()' method, which will raise any exceptions that occurred during the execution of the callable.

Are there any performance tips for using concurrent.futures?

Yes, consider using a ThreadPoolExecutor for I/O-bound tasks and a ProcessPoolExecutor for CPU-bound tasks to optimize performance.